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| function | MailOutBoxIsInError | ||||
| Other Library Functions | 
| Library: Mail Include: ommail.xin | Returns: Boolean Returns true if the last operation on the MailOutBox resulted in an error, and false otherwise. | 
  define external switch function MailOutBoxIsInError
      value MailOutBox this-MailOutBox
This function returns true if the last operation on the MailOutBox resulted in an error, and false otherwise.
Note that any function in the Mail library can result in an error, except the following:
MailInBoxGetStatusReport
MailInBoxIsInError
MailOutBoxGetStatusReport
MailOutBoxIsInError
MailLibraryVersion
MailIsVersionCompatible
Argument:
Example:
halt when MailOutBoxIsInError MyBox
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